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L4975A
+BOMIC REG BUCK ADJ 5A 15MULTIWATT
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Nhà sản xuấtSTMicroelectronics
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Ông. Phần #L4975A
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Có sẵn8205
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| PartStatus | Obsolete |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 15V |
| Voltage-Input(Max) | 50V |
| Voltage-Output(Min/Fixed) | 5.1V |
| Voltage-Output(Max) | 40V |
| Current-Output | 5A |
| Frequency-Switching | 200kHz ~ 500kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Through Hole |
| Package/Case | Multiwatt-15 (Vertical, Bent and Staggered Leads) |
| SupplierDevicePackage | 15-Multiwatt |
| BaseProductNumber | L4975 |
Tổng quan
Description
For instance, if L4975A is related to electronics, it might be a part of a larger system, such as a power supply module, motor driver, or communication component. In such cases, the introduction would cover its primary function, key technical parameters (like voltage, current, power ratings, etc.), compatible systems, and any notable features that make it suitable for certain applications.
To provide a more precise and informative introduction, additional details or context about what L4975A specifically refers to would be necessary. If you have more context or a specific domain in mind, feel free to share for a more tailored response.
Equivalent
Features
1. Output Current: Capable of delivering up to 5A of output current.
2. Input Voltage: Operates with a wide input voltage range from 8V to 55V.
3. Output Voltage: Adjustable output voltage, typically from 5.1V to 40V.
4. Efficiency: High efficiency due to its step-down nature, minimizing power loss.
5. Internal Oscillator: Features a built-in oscillator running at 100 kHz, which helps simplify external component requirements.
6. Thermal Protection: Includes thermal shutdown to prevent damage from overheating.
7. Current Limitation: Provides current limiting to protect against short-circuit conditions.
8. Soft Start: Equipped with a soft-start feature to reduce inrush current during startup.
9. Compact Package: Available in a compact, easy-to-use package, suitable for various applications.
These features make the L4975A an excellent choice for applications needing reliable and efficient DC-DC conversion.
Pinout
1. Pin 1 (VCC): This is the input voltage pin where the supply voltage is provided to the IC.
2. Pin 2 (OUTPUT): This pin is the output where the regulated voltage is available. It provides the step-down voltage to power the load.
3. Pin 3 (GND): This is the ground pin used as the reference for the input and output voltages.
4. Pin 4 (SYNC): This is the synchronization pin used to synchronize the internal oscillator with an external clock. If not used, it can be connected to ground or left open.
5. Pin 5 (COMP): This pin is used for compensation. It allows the user to stabilize the output by connecting a network of resistors and capacitors to this pin for loop compensation.
The L4975A is designed to provide efficient power conversion with features like current limiting, thermal shutdown, and high switching frequency for compact applications.
Manufacturer
Application
1. Power Supply Modules: It is used in the design of DC-DC converters for efficient power management.
2. Telecommunications: Supports stable power sourcing in telecommunication devices and systems.
3. Automotive Electronics: Suitable for automotive applications, providing regulated power to electronic control units.
4. Industrial Equipment: Used in industrial control systems for stable power regulation.
5. Consumer Electronics: Powers a variety of consumer devices needing reliable voltage regulation.
Its versatility in handling different input and output voltages makes it widely applicable across multiple domains.